The hydrogenation process comprises contacting an aromatic amine with hydrogen in the presence of a ruthenium catalyst under temperature and pressure conditions suitable to effect ring hydrogenation.
所述氢化方法包括使芳胺与氢气在适合于进行环氢化的温度和压力条件下接触。
2
Hold a hydrogen balloon instead of a swim ring in the sea.
牵一个氢气球代替游泳圈在海里游泳。
3
This paper introduced the advantage and characteristic of L-series roots blower, which could substitute the liquid ring pump in the process of hydrogen transportation.